parent
dd07d9a04d
commit
2ed89eddf3
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{ config, lib, pkgs, ... }: |
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|
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with lib; |
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let |
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cfg = config.services.squid; |
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|
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|
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squidConfig = pkgs.writeText "squid.conf" |
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(if cfg.configText != null then cfg.configText else |
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'' |
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# |
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# Recommended minimum configuration (3.5): |
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# |
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|
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# Example rule allowing access from your local networks. |
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# Adapt to list your (internal) IP networks from where browsing |
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# should be allowed |
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acl localnet src 10.0.0.0/8 # RFC 1918 possible internal network |
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acl localnet src 172.16.0.0/12 # RFC 1918 possible internal network |
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acl localnet src 192.168.0.0/16 # RFC 1918 possible internal network |
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acl localnet src 169.254.0.0/16 # RFC 3927 link-local (directly plugged) machines |
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acl localnet src fc00::/7 # RFC 4193 local private network range |
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acl localnet src fe80::/10 # RFC 4291 link-local (directly plugged) machines |
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|
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acl SSL_ports port 443 # https |
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acl Safe_ports port 80 # http |
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acl Safe_ports port 21 # ftp |
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acl Safe_ports port 443 # https |
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acl Safe_ports port 70 # gopher |
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acl Safe_ports port 210 # wais |
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acl Safe_ports port 1025-65535 # unregistered ports |
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acl Safe_ports port 280 # http-mgmt |
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acl Safe_ports port 488 # gss-http |
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acl Safe_ports port 591 # filemaker |
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acl Safe_ports port 777 # multiling http |
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acl CONNECT method CONNECT |
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|
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# |
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# Recommended minimum Access Permission configuration: |
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# |
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# Deny requests to certain unsafe ports |
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http_access deny !Safe_ports |
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|
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# Deny CONNECT to other than secure SSL ports |
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http_access deny CONNECT !SSL_ports |
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# Only allow cachemgr access from localhost |
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http_access allow localhost manager |
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http_access deny manager |
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|
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# We strongly recommend the following be uncommented to protect innocent |
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# web applications running on the proxy server who think the only |
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# one who can access services on "localhost" is a local user |
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http_access deny to_localhost |
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|
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# Application logs to syslog, access and store logs have specific files |
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cache_log syslog |
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access_log stdio:/var/log/squid/access.log |
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cache_store_log stdio:/var/log/squid/store.log |
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|
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# Required by systemd service |
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pid_filename /run/squid.pid |
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# Run as user and group squid |
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cache_effective_user squid squid |
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# |
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# INSERT YOUR OWN RULE(S) HERE TO ALLOW ACCESS FROM YOUR CLIENTS |
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# |
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${cfg.extraConfig} |
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# Example rule allowing access from your local networks. |
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# Adapt localnet in the ACL section to list your (internal) IP networks |
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# from where browsing should be allowed |
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http_access allow localnet |
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http_access allow localhost |
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# And finally deny all other access to this proxy |
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http_access deny all |
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# Squid normally listens to port 3128 |
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http_port ${toString cfg.proxyPort} |
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# Leave coredumps in the first cache dir |
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coredump_dir /var/cache/squid |
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# |
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# Add any of your own refresh_pattern entries above these. |
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# |
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refresh_pattern ^ftp: 1440 20% 10080 |
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refresh_pattern ^gopher: 1440 0% 1440 |
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refresh_pattern -i (/cgi-bin/|\?) 0 0% 0 |
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refresh_pattern . 0 20% 4320 |
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''); |
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in |
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{ |
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options = { |
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services.squid = { |
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enable = mkOption { |
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type = types.bool; |
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default = false; |
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description = "Whether to run squid web proxy."; |
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}; |
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proxyPort = mkOption { |
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type = types.int; |
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default = 3128; |
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description = "TCP port on which squid will listen."; |
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}; |
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extraConfig = mkOption { |
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type = types.lines; |
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default = ""; |
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description = '' |
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Squid configuration. Contents will be added |
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verbatim to the configuration file. |
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''; |
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}; |
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configText = mkOption { |
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type = types.nullOr types.lines; |
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default = null; |
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description = '' |
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Verbatim contents of squid.conf. If null (default), use the |
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autogenerated file from NixOS instead. |
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''; |
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}; |
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}; |
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}; |
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config = mkIf cfg.enable { |
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users.users.squid = { |
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isSystemUser = true; |
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group = "squid"; |
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home = "/var/cache/squid"; |
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createHome = true; |
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}; |
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users.groups.squid = {}; |
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systemd.services.squid = { |
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description = "Squid caching web proxy"; |
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after = [ "network.target" "nss-lookup.target" ]; |
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wantedBy = [ "multi-user.target"]; |
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preStart = '' |
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mkdir -p "/var/log/squid" |
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chown squid:squid "/var/log/squid" |
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''; |
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serviceConfig = { |
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Type="forking"; |
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PIDFile="/run/squid.pid"; |
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PermissionsStartOnly = true; |
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ExecStart = "${pkgs.squid}/bin/squid -YCs -f ${squidConfig}"; |
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}; |
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}; |
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}; |
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} |
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